- ECOMOG (Economic Community of West African States Ceasefire Monitoring Group) : This ECOWAS ceasefire monitoring group was established by a Decision of the Authority in 1990.
- Operations in Liberia:
- ECOWAS Member States which contributed contingents: Benin, Burkina Faso, Gambia, Ghana, Guinea, Mali, Niger, Nigeria, Senegal and Sierra Leone,
- Other countries: Uganda and Tanzania
- Operations in Sierra Leone
- Member States which contributed contingents: Ghana, Guinea, Mali, Nigeria and Senegal
- Operations in Guinea-Bissau:
- Member States which contributed contingents: Benin, Gambia, Niger and Togo
- Intervention as part of the Guinea-Senegal bilateral agreements.
- Conflict prevention and management mechanism adopted by the Authority in 1998. Proposed Framework Document for conflict prevention: an observation and monitoring system as well as organs to contain emerging conflicts:
- 4 offices for the observation zones: Cotonou, Ouagadougou, Banjul and Monrovia
- 1 observation and monitoring centre at the Secretariat in Abuja
- Establishment of a Mediation and Security Council made up of 9 Member States
- Establishment of a Council of Elders
- Raising of stand-by troops
- Moratorium on the importation, exportation and manufacture of small arms. Declaration adopted by the Authority in October, 1998.
- Adoption of a plan of action and a code of conduct
- Development of a culture of peace
- Raising of armed and security forces
- Control of small arms at the borders
- Establishment of a data bank and a regional register on small arms
- Collection and destruction of surplus weapons (carried out by Liberia and Mali)
- Facilitation of dialogue with the manufacturers and suppliers of arms - Code of conduct